<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8"/>
  <title>Stepper</title>
  <link rel="stylesheet" id="theme-link" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
  <link rel="stylesheet" id="iconlib-link" href="https://use.fontawesome.com/releases/v5.6.1/css/all.css">
  <script src="https://cdn.jsdelivr.net/npm/mathjs@5.3.1/dist/math.min.js" class="external_mathjs"></script>
  <script src="../../dist/jsoneditor.js"></script>
</head>
<body>

<div class="container">
  <h1>Test</h1>
  <label for="value">value</label>
<textarea id="value" class="value form-control" rows="10"></textarea>
  <button class='get-value'>Get Value</button>
  <button class='set-value'>Set Value</button>
  <div class='json-editor-container'></div>
</div>


<script>
  var jsonEditorContainer = document.querySelector('.json-editor-container');
  var value = document.querySelector('.value');

  var schema = {
    "type": "object",
    "title": "range",
    "properties": {
      "stepper": {
        'type': 'integer',
        'format': 'stepper',
        "default": ""
      }
    }
  };

  var editor = new JSONEditor(jsonEditorContainer, {
    schema: schema,
    theme: 'bootstrap4',
    use_default_values: false,
    required_by_default: true,
    show_errors: 'always'
  });

  document.querySelector('.get-value').addEventListener('click', function () {
    value.value = JSON.stringify(editor.getValue());
    console.log(editor.getValue());
  });

  document.querySelector('.set-value').addEventListener('click', function () {
    editor.setValue({number_range: 2})
  });

</script>

</body>
</html>
